cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A154886 Number of ways to partition n into reduced fractions i/j with j <= n.

Table of values

n a(n)
1 1
2 5
3 51
4 655
5 20980
6 578779
7 46097340
8 2889706132
9 485416306983
10 68334145684271
11 24330218582223815
12 3847311627258606534
13 2716890193805515507433
14 1270766589764097820833691
15 2188031110546839992589840986
16 1331298554328475793875243619997

List of values

[1, 5, 51, 655, 20980, 578779, 46097340, 2889706132, 485416306983, 68334145684271, 24330218582223815, 3847311627258606534, 2716890193805515507433, 1270766589764097820833691, 2188031110546839992589840986, 1331298554328475793875243619997]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.